Boundless Manga is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Boundless is a grand, high action, adventure story like no other. Follow Kai the boy who is last of his Clan. As he breaks out of his cage with burning fury and his quest for revenge begins.